Is contaminated food the most likely place to get an e.coli infection?

Yes: Always wash hands begore preparing and fresh food before eating!

E. coli infections: Contaminated food is certainly a major source of e. Coli, but swimming unknowingly in contaminated waters, and lackadaisical hand washing also contribute. Improper home food preparation or kitchen precautions is also a major problem, so there are many ways that the bacteria can gain access the good news is that most of us who have healthy immune systems can avoid serious illness even if infected.